. an indiana hog farmer says it takes her 10 to 15 hours every week, including detailed record-keeping about each load of manure hauled out of the barn. farmers have to deal with regulation on pesticide, fertilizerrers and dust. staying in compliance can be expensive. >> the average cost of obtain a permit, doing paperwork to apply and get approval that are necessary. the average cost is $23,000 per permit. >> because of the number of federal agencies, farmers may have to get multiple permits to comply on a single issue. supporters of the epa and similar government entities say it's a small price to pay to ensure safety of food prices cultivate on the u.s. farm and integrity of the surrounding land, air and water sources. >> if you are getting subsidy dollars and getting federal support in exchange maybe the american taxpayer needs to get clean water. >> epa estimates in 2010 alon alone, the clean air prevented 1670,000. 160,000 premature deaths. >> the agency says, "epa has profound respect for the contribution that farmers make to our economy. epa is in close consultation with america farm